Avon Old Farms School Photo - Avon Old Farms School is expert in educating boys. Since we are a single sex school, we use specialized learning methodologies focused on the areas of development that are critical to a young male in their adolescent years. This helps achieve greater success not only in the following four years of college, but the next forty years of their lives.

Top 10 Best Connecticut Private High Schools Belonging to State or regional independent school association (2025)

For the 2025 school year, there are 22 private high schools belonging to State or regional independent school association serving 8,154 students in Connecticut. You can also find more schools membership associations in Connecticut.
The top ranked private high schools belonging to State or regional independent school association in Connecticut include King School, Sacred Heart Greenwich, and New Canaan Country School.
The average tuition cost is $46,464, which is higher than the Connecticut private high school average tuition cost of $39,540.
27% of private high schools belonging to State or regional independent school association in Connecticut are religiously affiliated (most commonly Catholic).

Top Ranked Private High Schools Belonging to State or regional independent school association in Connecticut (2025)

School
Location
Grades
Students
King School
King School Photo - Grade 1 students participating in STEM activities.
1450 Newfield Ave
Stamford, CT 06905
(203) 322-3496
Grades: PK-12
| 718 students
New Canaan Country School
New Canaan Country School Photo - Academics, arts, music and athletics are woven into our students' day to pique their curiosity and instill a joy of learning.
(9)
635 Frogtown Road
New Canaan, CT 06840
(203) 972-0771
Grades: NS-9
| 555 students
Rectory School
Rectory School Photo - Rectory School, nestled on 138 acres in Pomfret, Connecticut, is a distinguished K-9 private institution renowned as a "Junior Boarding School." Offering both 5-day and 7-day boarding options for students in grades 5-9, Rectory ensures a comprehensive educational experience.
528 Pomfret Street
Pomfret, CT 06258
(860) 928-1328
Grades: K-9
| n/a students
Avon Old Farms School
Avon Old Farms School Photo - Avon Old Farms School is expert in educating boys. Since we are a single sex school, we use specialized learning methodologies focused on the areas of development that are critical to a young male in their adolescent years. This helps achieve greater success not only in the following four years of college, but the next forty years of their lives.
All-boys
500 Old Farms Rd
Avon, CT 06001
(860) 404-4100
Grades: 9-12
| 415 students
East Catholic High School
East Catholic High School Photo
(Catholic)
115 New State Rd
Manchester, CT 06042
(860) 649-5336
Grades: 9-12
| 479 students
Fairfield College Preparatory
All-boys (Catholic)
(1)
1073 N Benson Rd
Fairfield, CT 06824
(203) 254-4200
Grades: 9-12
| 757 students
Fairfield Country Day School
Fairfield Country Day School Photo - FCDS Campus
All-boys
(2)
2970 Bronson Road
Fairfield, CT 06824
(203) 259-2723
Grades: K-9
| 197 students
Greens Farms Academy
Greens Farms Academy Photo
35 Beachside Avenue
Greens Farms, CT 06838
(203) 256-7501
Grades: PK-12
| 713 students
Greenwich Academy
All-girls
(2)
200 N Maple Ave
Greenwich, CT 06830
(203) 625-8900
Grades: PK-12
| 830 students
401 Old Church Rd
Greenwich, CT 06830
(203) 863-5600
Grades: NS-12
| 1,251 students
Intensive Education Academy In
Special Education School
840 North Main St.
West Hartford, CT 06117
(860) 236-2049
Grades: 2-12
| 56 students
Lauralton Hall
Lauralton Hall Photo
All-girls (Catholic)
(3)
200 High St
Milford, CT 06460
(203) 877-2786
Grades: 9-12
| n/a students
Rumsey Hall School
Rumsey Hall School Photo
201 Romford Rd
Washington Depot, CT 06794
(860) 868-0535
Grades: PK-9
| 328 students
Sacred Heart Academy
Sacred Heart Academy Photo - Students learn to work with many painting media such as acrylic, oil, and watercolor in this course that covers painting, design and visual concepts.
All-girls (Catholic)
265 Benham St
Hamden, CT 06514
(203) 288-2309
Grades: 9-12
| 354 students
Sacred Heart Greenwich
Sacred Heart Greenwich Photo
All-girls (Catholic)
(7)
1177 King Street
Greenwich, CT 06831
(609) 261-2273
Grades: PK-12
| 680 students
Xavier High School
All-boys (Catholic)
(3)
181 Randolph Rd
Middletown, CT 06457
(860) 346-7735
Grades: 9-12
| 600 students
Elizabeth Ives School For Special Children
Special Education School
70 State St
North Haven, CT 06473
(203) 234-8770
Grades: 3-12
| 14 students
The Light House (Lighthouse Voc-ed Center Inc.)
Special Education School
125 Shaw St.
New London, CT 06320
(860) 445-7626
Grades: 2-12
| 22 students
Options Educational Services
Special Education School
606 Farmington Ave
Hartford, CT 06105
(860) 712-6362
Grades: 8-12
| 20 students
Pierrepont School
(2)
1 Sylvan Rd N
Westport, CT 06880
(203) 226-1891
Grades: K-12
| 120 students
Touchstone School
All-girls | Special Education School
11 Country Place
Litchfield, CT 06759
(860) 567-3809
Grades: 12
| 3 students
The Woodhall School
The Woodhall School Photo - The Woodhall Players presented John Steinbeck's drama, Of Mice and Men.
All-boys | Alternative School
58 Harrison Ln
Bethlehem, CT 06751
(203) 409-2644
Grades: 9-12
| 42 students

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